Question
Asked Oct 17, 2019
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Block 1, of mass m1 = 0.700 kg , is connected over an ideal (massless and frictionless) pulley to block 2, of mass m2, as shown. For an angle of θ = 30.0 ∘ and a coefficient of kinetic friction between block 2 and the plane of μ = 0.200, an acceleration of magnitude a = 0.550 m/s2 is observed for block 2.

Find the mass of block 2, m2?

 

m2
m1
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m2 m1

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Expert Answer

Step 1

The tension on the rope is

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T m(g-a) (1) Consider the force acting on m, along the vertical direction is, F, N-m2g cos0 0 N-mg cos0 N = m2g cose (2)

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Step 2

Force acting on m2  along t...

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УF -Т -т,g sin @ — F, F mgcose т,а%3DТ - т,gsin @ — д,т,gcos@ T m2a +m,g sin 0 + umgcos e (3) = m2 (a+ g sin0 + g cose

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Science

Physics

Newtons Laws of Motion

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